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SUMMARY:The Stegosaurian Dinosaurs - Dr Susannah Maidment - Natural Histor
 y Museum
DTSTART:20201130T180000Z
DTEND:20201130T190000Z
UID:TALK152005@talks.cam.ac.uk
CONTACT:James Craig
DESCRIPTION:Stegosaurs are a group of dinosaurs characterized by the posse
 ssion of two rows of plates and spines that extend from the neck to the en
 d of the tail. They are known from Jurassic rocks and have been found on a
 ll continents except Australia and Antarctica. Stegosaurs are part of a la
 rger group of armoured dinosaurs\, which also includes the ankylosaurs. Tw
 o stegosaurs are known from North America: the iconic Stegosaurus\, which 
 is known from numerous skeletons from Colorado\, Utah and southern Wyoming
 \, and the less well-known Hesperosaurus\, represented by just a few speci
 mens from northern Wyoming and Montana. Both are known from the Morrison F
 ormation\, a suite of rocks laid down by rivers and on flood plains about 
 150 million years ago. In life\, stegosaurs were four-legged plant-eaters 
 that weighed about the same as a rhino. They were probably slow-moving\, a
 nd not capable of running. They had very small teeth and do not appear to 
 have chewed\, but despite this\, their bite forces indicate they could hav
 e eaten tough vegetation and small twigs. Several hypotheses have been put
  forward about the function of the plates of stegosaurs\, but these have p
 roven difficult to test. Different species appear to have had differently 
 shaped plates\, suggesting a role in display\, and perhaps to deter predat
 ors. \n\nPlease contact James at jac293@cam.ac.uk for Zoom details
LOCATION:The talk will be held virtually over zoom. The link will be circu
 lated to members via email\, while non-members may contact jac293@cam.ac.u
 k for details
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